<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

namespace Magento\Framework\View\Test\Unit\Page\Config\Generator;

use \Magento\Framework\View\Page\Config\Generator\Head;

use Magento\Framework\View\Page\Config as PageConfig;
use Magento\Framework\TestFramework\Unit\Helper\ObjectManager as ObjectManagerHelper;

/**
 * Test for page config generator model
 */
class HeadTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @var Head
     */
    protected $headGenerator;

    /**
     * @var \Magento\Framework\View\Page\Config|\PHPUnit_Framework_MockObject_MockObject
     */
    protected $pageConfigMock;

    /**
     * @var \Magento\Framework\View\Page\Title|\PHPUnit_Framework_MockObject_MockObject
     */
    protected $title;

    protected function setUp()
    {
        $this->pageConfigMock = $this->getMockBuilder('Magento\Framework\View\Page\Config')
            ->disableOriginalConstructor()
            ->getMock();
        $this->title = $this->getMockBuilder('Magento\Framework\View\Page\Title')
            ->disableOriginalConstructor()
            ->getMock();

        $objectManagerHelper = new ObjectManagerHelper($this);
        $this->headGenerator = $objectManagerHelper->getObject(
            'Magento\Framework\View\Page\Config\Generator\Head',
            [
                'pageConfig' => $this->pageConfigMock,
            ]
        );
    }

    public function testProcess()
    {
        $generatorContextMock = $this->getMockBuilder('Magento\Framework\View\Layout\Generator\Context')
            ->disableOriginalConstructor()
            ->getMock();
        $this->title->expects($this->any())->method('set')->with()->will($this->returnSelf());
        $structureMock = $this->getMockBuilder('Magento\Framework\View\Page\Config\Structure')
            ->disableOriginalConstructor()
            ->getMock();

        $readerContextMock = $this->getMockBuilder('Magento\Framework\View\Layout\Reader\Context')
            ->disableOriginalConstructor()
            ->getMock();
        $readerContextMock->expects($this->any())
            ->method('getPageConfigStructure')
            ->willReturn($structureMock);

        $structureMock->expects($this->once())->method('processRemoveAssets');
        $structureMock->expects($this->once())->method('processRemoveElementAttributes');

        $assets = [
            'remoteCss' => ['src' => 'file-url', 'src_type' => 'url', 'media' => "all", 'content_type' => 'css'],
            'remoteLink' => ['src' => 'file-url', 'src_type' => 'url', 'media' => "all"],
            'name' => ['src' => 'file-path', 'ie_condition' => 'lt IE 7', 'media' => "print", 'content_type' => 'css'],
        ];
        $this->pageConfigMock->expects($this->at(0))
            ->method('addRemotePageAsset')
            ->with('remoteCss', 'css', ['attributes' => ['media' => 'all']]);
        $this->pageConfigMock->expects($this->at(1))
            ->method('addRemotePageAsset')
            ->with('remoteLink', Head::VIRTUAL_CONTENT_TYPE_LINK, ['attributes' => ['media' => 'all']]);
        $this->pageConfigMock->expects($this->once())
            ->method('addPageAsset')
            ->with('name', ['attributes' => ['media' => 'print'], 'ie_condition' => 'lt IE 7']);
        $structureMock->expects($this->once())
            ->method('getAssets')
            ->will($this->returnValue($assets));

        $title = 'Page title';
        $structureMock->expects($this->atLeastOnce())
            ->method('getTitle')
            ->will($this->returnValue($title));
        $this->pageConfigMock->expects($this->any())->method('getTitle')->will($this->returnValue($this->title));

        $metadata = ['name1' => 'content1', 'name2' => 'content2'];
        $structureMock->expects($this->once())
            ->method('getMetadata')
            ->will($this->returnValue($metadata));
        $this->pageConfigMock->expects($this->exactly(2))
            ->method('setMetadata')
            ->withConsecutive(['name1', 'content1'], ['name2', 'content2']);

        $elementAttributes = [
            PageConfig::ELEMENT_TYPE_BODY => [
                'body_attr_1' => 'body_value_1',
                'body_attr_2' => 'body_value_2',
            ],
            PageConfig::ELEMENT_TYPE_HTML => [
                'html_attr_1' => 'html_attr_1',
            ],
        ];
        $structureMock->expects($this->once())
            ->method('getElementAttributes')
            ->will($this->returnValue($elementAttributes));
        $this->pageConfigMock->expects($this->exactly(3))
            ->method('setElementAttribute')
            ->withConsecutive(
                [PageConfig::ELEMENT_TYPE_BODY, 'body_attr_1', 'body_value_1'],
                [PageConfig::ELEMENT_TYPE_BODY, 'body_attr_2', 'body_value_2'],
                [PageConfig::ELEMENT_TYPE_HTML, 'html_attr_1', 'html_attr_1']
            );

        $this->assertEquals(
            $this->headGenerator,
            $this->headGenerator->process($readerContextMock, $generatorContextMock)
        );
    }
}
